The film is dedicated to the capital of the GDR - East Berlin. On the streets of Berlin are residents, organ-grinder. Newsreel: city streets during the Second World War, in the 1920s; E. Thälmann. Humboldt University students in the classroom; young people at a rehearsal in the Oktobor club. Seeing off Soviet pioneers who were vacationing in the GDR; the young Berliners of the Oktober Club are singing; sings E. Bush; construction of residential buildings in Berlin. W. Ulbricht among builders; children on the merry-go-round, in strollers, drawing in the streets; demonstrations of neo-fascists. Brandenburg Gate, border, border guards pass, checkpoint. West Berlin. Streets, bank buildings; Berlin Wall; young people at the grave of R. Hoon, who was killed at the Berlin Wall in 1962. Dispersal of demonstrators; meeting of Soviet and German soldiers, among the soldiers of the deputy. Defense Minister H. Kessler. Director R. Carmen interviews Professor M. Steinbeck. Streets of East Berlin, tourists on the streets. Men drink beer; children in strollers; Berliners walk the streets; relax on the beach, in the forest, at the stadium, folk carnival; in the theater at the play.